Tricia Puts 44 G of Dry Ice (Solid CO₂)into a 2.0-L

question 20

Multiple Choice

Tricia puts 44 g of dry ice (solid CO₂) into a 2.0-L container and seals the top.The dry ice turns to gas at room temperature (20 $\degree$ C) .Find the pressure increase in the 2.0-L container.(One mole of CO₂ has a mass of 44 g,R = 0.082 1 L*atm/mol*K.Ignore the initial volume of the dry ice. )

• A)6.0 atm
• B)12 atm
• C)18 atm
• D)2.0 atm

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Definitions:

Linear Relationship

A type of relationship between two variables where the change in one variable is consistently associated with a change in the other variable in a manner that can be depicted with a straight line.

Coefficient Of Correlation

The coefficient of correlation is a statistical measure that calculates the strength and direction of a linear relationship between two variables.

Coefficient Of Determination

A statistic that measures the proportion of the variance in the dependent variable that is predictable from the independent variable(s).

Linear Regression Model

A statistical method for modelling the relationship between a dependent variable and one or more independent variables by fitting a linear equation to observed data.